Which type of course-delivery format leads to the best performance in a psychological statistics class?

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What is your hypothesis (both null and alternate)?
Is this a qualitative or quantitative design (based on type of variable collected) and why?
Explain if your study would be classified as a descriptive, correlational or experimental design.
What would be an example of a variable for this study of course delivery formats that could be measured on a nominal scale? Ordinal scale? Interval scale? Ratio scale?
Once you have collected your data on the effectiveness of the various types of course delivery for a statistics course, would you use inferential or descriptive statistics and why?
Create a sample frequency distribution for one of the variables. Choose either a simple or grouped frequency distribution and explain your choice.